We build our lowers better than the rest, and are rated the best 80% lowers hinein the industry by PewPewTactical. We use premium 6061-T6 aluminum (AKA quality billet aluminum) and inspect all of our 80 percent lowers to the highest industry standards. They are all made right here hinein the https://80arlower99753.robhasawiki.com/10191172/the_definitive_guide_to_80_lower_receiver